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Tamoxifen is a medication I depend on to help many of my patients lower their risk of cancer recurrence and mortality. In this extensive evidence-based review, I will provide key medical insights on tamoxifen, which is sold under brand names like Nolvadex. I will also address some common questions I receive regarding unapproved uses of tamoxifen for bodybuilding purposes.

Mechanism of Action - How Tamoxifen Works

Tamoxifen is a selective estrogen receptor modulator (SERM) that exerts an anti-estrogenic effect in breast tissue. It competitively binds to estrogen receptors on breast cancer cells, preventing endogenous estrogens from binding and activating growth and proliferation of cancer cells. Tamoxifen also reduces secretion of insulin-like growth factors (IGFs) in breast tissue to inhibit tumor growth.

Nolvadex dosage

Thanks to data from many high-quality clinical trials, tamoxifen 20mg daily for 5 years is firmly established as the standard adjuvant endocrine therapy for hormone receptor-positive early stage invasive breast cancer in pre- and post-menopausal women. Tamoxifen substantially decreases risk of recurrence and contralateral breast cancer while improving overall survival.
Tamoxifen also shows efficacy in treating ductal carcinoma in situ (DCIS) following lumpectomy and radiation to reduce recurrence risk. It may be used to prevent breast cancer in high-risk women and for neoadjuvant therapy in advanced ER-positive breast cancers as well.
I advise patients beginning tamoxifen treatment that concomitant use of certain SSRI antidepressants like paroxetine and fluoxetine can impair tamoxifen metabolism, warranting careful dose adjustments. Baseline eye exams, gynecologic assessment for uterine abnormalities, bone density measurement, and cholesterol panels are prudent prior to initiation. Routine medical follow-up is imperative while on tamoxifen.

Nolvadex side effects

Common side effects I see clinically with tamoxifen are hot flashes, vaginal discharge, insomnia and muscle cramps. Less frequent but serious effects involving the uterus, blood clots and ocular issues can rarely occur. I contraindicate tamoxifen use in pregnant patients or those at risk of pregnancy while taking it due to fetal harm potential. Patients on tamoxifen must use barrier contraception.

Nolvadex FAQ:

· Is Nolvadex effective for treating gynecomastia? There is no substantive clinical evidence for this use. Medical assessment is needed to determine gynecomastia etiology before considering empiric tamoxifen therapy.

· Should Nolvadex be taken preventively during anabolic steroid cycles? No, this practice can be hazardous without close medical supervision. I strongly advise against recreational steroid use to begin with given the health risks involved.

· What would be a proper Nolvadex dosage protocol for bodybuilding purposes? There are no evidence-based tamoxifen dosing guidelines established for bodybuilding or performance enhancement. Exceeding the standard 20mg daily dose increases side effect risks without added benefit.

· Where can Nolvadex be safely and legally purchased online? I urge against obtaining prescription tamoxifen without a full prior medical evaluation by a licensed physician who documents a clear clinical need for its supervised use. But you can found nolvadex for sale online.

· How does Nolvadex compare to arimidex? These drugs have distinct approved medical uses and side effect profiles. Quality head-to-head data for bodybuilding-related applications is severely lacking.

In summary, while Nolvadex (tamoxifen) is an invaluable medication in breast cancer treatment when used properly under medical oversight, I caution strongly against unsupervised use for undisclosed aims like bodybuilding, which lacks scientific support regarding safety or efficacy.

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